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authorLinus Torvalds <torvalds@linux-foundation.org>2019-11-26 19:45:12 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-11-26 19:45:12 -0800
commit361b0d286afea0d867537536977a695b5557d133 (patch)
treea9a362c2f4b687435fc1b11f411f593f86d0467d /drivers/of
parentMerge tag 'acpi-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm (diff)
parentsoftware node: simplify property_entry_read_string_array() (diff)
downloadlinux-dev-361b0d286afea0d867537536977a695b5557d133.tar.xz
linux-dev-361b0d286afea0d867537536977a695b5557d133.zip
Merge tag 'devprop-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull device properties framework updates from Rafael Wysocki: "Add support for printing fwnode names using a new conversion specifier "%pfw" (Sakari Ailus), clean up the software node and efi/apple-properties code in preparation for improved software node reference properties handling (Dmitry Torokhov) and fix the struct fwnode_operations description (Heikki Krogerus)" * tag 'devprop-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (22 commits) software node: simplify property_entry_read_string_array() software node: unify PROPERTY_ENTRY_XXX macros software node: remove property_entry_read_uNN_array functions software node: get rid of property_set_pointer() software node: clean up property_copy_string_array() software node: mark internal macros with double underscores efi/apple-properties: use PROPERTY_ENTRY_U8_ARRAY_LEN software node: introduce PROPERTY_ENTRY_XXX_ARRAY_LEN() software node: remove DEV_PROP_MAX device property: Fix the description of struct fwnode_operations lib/test_printf: Add tests for %pfw printk modifier lib/vsprintf: Add %pfw conversion specifier for printing fwnode names lib/vsprintf: OF nodes are first and foremost, struct device_nodes lib/vsprintf: Make use of fwnode API to obtain node names and separators lib/vsprintf: Add a note on re-using %pf or %pF lib/vsprintf: Remove support for %pF and %pf in favour of %pS and %ps device property: Add a function to obtain a node's prefix device property: Add fwnode_get_name for returning the name of a node device property: Add functions for accessing node's parents device property: Move fwnode_get_parent() up ...
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/property.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/of/property.c b/drivers/of/property.c
index d7fa75e31f22..e8202f61a5d9 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -872,6 +872,20 @@ of_fwnode_property_read_string_array(const struct fwnode_handle *fwnode,
of_property_count_strings(node, propname);
}
+static const char *of_fwnode_get_name(const struct fwnode_handle *fwnode)
+{
+ return kbasename(to_of_node(fwnode)->full_name);
+}
+
+static const char *of_fwnode_get_name_prefix(const struct fwnode_handle *fwnode)
+{
+ /* Root needs no prefix here (its name is "/"). */
+ if (!to_of_node(fwnode)->parent)
+ return "";
+
+ return "/";
+}
+
static struct fwnode_handle *
of_fwnode_get_parent(const struct fwnode_handle *fwnode)
{
@@ -993,6 +1007,8 @@ const struct fwnode_operations of_fwnode_ops = {
.property_present = of_fwnode_property_present,
.property_read_int_array = of_fwnode_property_read_int_array,
.property_read_string_array = of_fwnode_property_read_string_array,
+ .get_name = of_fwnode_get_name,
+ .get_name_prefix = of_fwnode_get_name_prefix,
.get_parent = of_fwnode_get_parent,
.get_next_child_node = of_fwnode_get_next_child_node,
.get_named_child_node = of_fwnode_get_named_child_node,